Fix up emoji tests that should be failing

See merge request !10231

Some discussion,
https://gitlab.slack.com/archives/C0GQHHPGW/p1490398531185144
 -> MR to fix failing emoji test:
https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/10230

Resolve "Milestone with due date shows escaped HTML"

Closes #30035

See merge request !10224

Remove extra margin at bottom of todos page

Closes #28634

See merge request !10222

Adding non_archived scope for counting projects

Closes #23862

See merge request !8305

Change full colors to a more harmonious palette

Closes #28614

See merge request !10154

Show loading icon when changing filter in add issues modal

Closes #29615

See merge request !10043

Resolve "Gitlab administrator cannot create projects in every group"

Closes #27910

See merge request !9255

Remove forced scroll into view when switching to "Changes" MR tab

Closes #29897

See merge request !10194

Temporarily ignore Nokogiri CVE-2016-4658

See merge request !10218

Reset dropdown list when clicking filter input

Closes #28463

See merge request !10132

Fixes project list lines breaking

Closes #29018

See merge request !10178

See https://gitlab.com/gitlab-org/gitlab-ce/issues/29992 for progress on
updating this gem. In the meantime, we can't do anything about it
quickly, so we'll ignore the CVE in `bundle-audit`

add changelog for !10053

See merge request !10214

Resolve "Move sub_nav content above the content-wrapper class"

Closes #29880

See merge request !10163

Bump Gitaly server version to v0.4.0

See merge request !10211

Simplify projects, merge requests search queries

See merge request !10053

Fetch deeper the tested branch before fetching master

See merge request !9484

Use gitlab-workhorse 1.4.2

See merge request !10205

Add sidebar class to build & wiki pages

Closes #29964

See merge request !10196

Update Impersonation tokens docs

See merge request !10055

Fixes silent failure of `git clone` when Gitaly is not running.

Correctly show pipeline creator & created_at

Closes #29255

See merge request !9936

Change opacity of finished todos instead of background color

See merge request !10100